How to extract River shape from Landsat Image

How to extract River shape from Landsat Image
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To extract River shape from Landsat Image, follow these steps :

  1. Set target for study area
  2. Use Special Analyst Tool —- Multivariate —- Iso Cluster Supervised Classification
  3. Reclass
  4. Convert raster image to polygon
  5. Edit polygon and copy the river body to other shape and save

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